STM32H745ZIT6 - Dual-Core Cortex-M7/M4 MCU | STMicroelectronics
MPN: STM32H745ZIT6 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.8 | $168.00 |
| 100 | $14.2 | $1,420.00 |
| 500 | $12.9 | $6,450.00 |
| 1,000 | $11.75 | $11,750.00 |
Drop-in alternatives for STM32H745ZIT6 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
STM32H745ZIT6TR
β Drop-Inπ Reference alternative (not in catalog)
STM32H745ZIT6Q
β Drop-Inπ Reference alternative (not in catalog)
STM32H743ZIT6
β Drop-Inβ 99,999 In Stock
$11.85 / Unit
View Datasheet βSTM32H750ZIT6
β Drop-Inπ Reference alternative (not in catalog)
STM32H753ZIT6
β Drop-Inπ Reference alternative (not in catalog)
STM32H745ZIT6 Maximum Ratings & Electrical Characteristics
| Core | Arm Cortex-M7 + Cortex-M4 |
| Maximum Clock Frequency | 480 MHz (M7), 240 MHz (M4) |
| Flash Memory | 2 MB |
| SRAM | 1 MB |
| Package | LQFP144 |
| Operating Voltage | 1.62 V to 3.6 V |
| Operating Temperature | -40C to +85C |
| GPIO Pins | 114 |
| ADC Resolution | 16-bit |
| DAC Resolution | 12-bit |
| Communication Interfaces | Ethernet, USB 2.0, CAN-FD, SPI, I2C, UART |
| DMA Channels | 16 |
| Timers | 22 |
| Supply Current (Active) | [DATA_NEEDED: supply current] |
| RoHS Status | Compliant |
STM32H745ZIT6 Pin Configuration
| Pin 1 | PE2 β GPIO / alternate function |
| Pin 2 | PE3 β GPIO / alternate function |
| Pin 3 | PE4 β GPIO / alternate function |
| Pin 4 | PE5 β GPIO / alternate function |
| Pin 5 | PE6 β GPIO / alternate function |
| Pin 6 | VBAT β Battery backup supply |
| Pin 7 | PC13 β GPIO / RTC |
| Pin 8 | PC14 β GPIO / OSC32_IN |
| Pin 9 | PC15 β GPIO / OSC32_OUT |
| Pin 10 | PF0 β GPIO / alternate function |
| Pin 11 | PF1 β GPIO / alternate function |
| Pin 12 | PF2 β GPIO / alternate function |
| Pin 13 | PF3 β GPIO / alternate function |
| Pin 14 | PF4 β GPIO / alternate function |
| Pin 15 | PF5 β GPIO / alternate function |
| Pin 16 | VSS β Ground |
| Pin 17 | VDD β Power supply |
| Pin 18 | PF6 β GPIO / alternate function |
| Pin 19 | PF7 β GPIO / alternate function |
| Pin 20 | PF8 β GPIO / alternate function |
| Pin 21 | PF9 β GPIO / alternate function |
| Pin 22 | PF10 β GPIO / alternate function |
| Pin 23 | PF11 β GPIO / alternate function |
| Pin 24 | PF12 β GPIO / alternate function |
| Pin 25 | PF13 β GPIO / alternate function |
| Pin 26 | PF14 β GPIO / alternate function |
| Pin 27 | PF15 β GPIO / alternate function |
| Pin 28 | PG0 β GPIO / alternate function |
| Pin 29 | PG1 β GPIO / alternate function |
| Pin 30 | PG2 β GPIO / alternate function |
| Pin 31 | PG3 β GPIO / alternate function |
| Pin 32 | PG4 β GPIO / alternate function |
| Pin 33 | PG5 β GPIO / alternate function |
| Pin 34 | PG6 β GPIO / alternate function |
| Pin 35 | PG7 β GPIO / alternate function |
| Pin 36 | PG8 β GPIO / alternate function |
| Pin 37 | PG9 β GPIO / alternate function |
| Pin 38 | PG10 β GPIO / alternate function |
| Pin 39 | PG11 β GPIO / alternate function |
| Pin 40 | PG12 β GPIO / alternate function |
| Pin 41 | PG13 β GPIO / alternate function |
| Pin 42 | PG14 β GPIO / alternate function |
| Pin 43 | PG15 β GPIO / alternate function |
| Pin 44 | VSS β Ground |
| Pin 45 | VDD β Power supply |
| Pin 46 | PH0 β GPIO / OSC_IN |
| Pin 47 | PH1 β GPIO / OSC_OUT |
| Pin 48 | PH2 β GPIO / alternate function |
| Pin 49 | PH3 β GPIO / alternate function |
| Pin 50 | PH4 β GPIO / alternate function |
| Pin 51 | PH5 β GPIO / alternate function |
| Pin 52 | PH6 β GPIO / alternate function |
| Pin 53 | PH7 β GPIO / alternate function |
| Pin 54 | PH8 β GPIO / alternate function |
| Pin 55 | PH9 β GPIO / alternate function |
| Pin 56 | PH10 β GPIO / alternate function |
| Pin 57 | PH11 β GPIO / alternate function |
| Pin 58 | PH12 β GPIO / alternate function |
| Pin 59 | PH13 β GPIO / alternate function |
| Pin 60 | PH14 β GPIO / alternate function |
| Pin 61 | PH15 β GPIO / alternate function |
| Pin 62 | VSS β Ground |
| Pin 63 | VDD β Power supply |
| Pin 64 | PI0 β GPIO / alternate function |
| Pin 65 | PI1 β GPIO / alternate function |
| Pin 66 | PI2 β GPIO / alternate function |
| Pin 67 | PI3 β GPIO / alternate function |
| Pin 68 | PI4 β GPIO / alternate function |
| Pin 69 | PI5 β GPIO / alternate function |
| Pin 70 | PI6 β GPIO / alternate function |
| Pin 71 | PI7 β GPIO / alternate function |
| Pin 72 | PI8 β GPIO / alternate function |
| Pin 73 | PI9 β GPIO / alternate function |
| Pin 74 | PI10 β GPIO / alternate function |
| Pin 75 | PI11 β GPIO / alternate function |
| Pin 76 | PI12 β GPIO / alternate function |
| Pin 77 | PI13 β GPIO / alternate function |
| Pin 78 | PI14 β GPIO / alternate function |
| Pin 79 | PI15 β GPIO / alternate function |
| Pin 80 | VSS β Ground |
| Pin 81 | VDD β Power supply |
| Pin 82 | PA0 β GPIO / alternate function |
| Pin 83 | PA1 β GPIO / alternate function |
| Pin 84 | PA2 β GPIO / alternate function |
| Pin 85 | PA3 β GPIO / alternate function |
| Pin 86 | PA4 β GPIO / alternate function |
| Pin 87 | PA5 β GPIO / alternate function |
| Pin 88 | PA6 β GPIO / alternate function |
| Pin 89 | PA7 β GPIO / alternate function |
| Pin 90 | PA8 β GPIO / alternate function |
| Pin 91 | PA9 β GPIO / alternate function |
| Pin 92 | PA10 β GPIO / alternate function |
| Pin 93 | PA11 β GPIO / alternate function |
| Pin 94 | PA12 β GPIO / alternate function |
| Pin 95 | PA13 β GPIO / SWDIO |
| Pin 96 | PA14 β GPIO / SWCLK |
| Pin 97 | PA15 β GPIO / alternate function |
| Pin 98 | VSS β Ground |
| Pin 99 | VDD β Power supply |
| Pin 100 | PC0 β GPIO / alternate function |
| Pin 101 | PC1 β GPIO / alternate function |
| Pin 102 | PC2 β GPIO / alternate function |
| Pin 103 | PC3 β GPIO / alternate function |
| Pin 104 | PC4 β GPIO / alternate function |
| Pin 105 | PC5 β GPIO / alternate function |
| Pin 106 | PB0 β GPIO / alternate function |
| Pin 107 | PB1 β GPIO / alternate function |
| Pin 108 | PB2 β GPIO / alternate function |
| Pin 109 | PB3 β GPIO / alternate function |
| Pin 110 | PB4 β GPIO / alternate function |
| Pin 111 | PB5 β GPIO / alternate function |
| Pin 112 | PB6 β GPIO / alternate function |
| Pin 113 | PB7 β GPIO / alternate function |
| Pin 114 | PB8 β GPIO / alternate function |
| Pin 115 | PB9 β GPIO / alternate function |
| Pin 116 | PB10 β GPIO / alternate function |
| Pin 117 | PB11 β GPIO / alternate function |
| Pin 118 | PB12 β GPIO / alternate function |
| Pin 119 | PB13 β GPIO / alternate function |
| Pin 120 | PB14 β GPIO / alternate function |
| Pin 121 | PB15 β GPIO / alternate function |
| Pin 122 | VSS β Ground |
| Pin 123 | VDD β Power supply |
| Pin 124 | PD0 β GPIO / alternate function |
| Pin 125 | PD1 β GPIO / alternate function |
| Pin 126 | PD2 β GPIO / alternate function |
| Pin 127 | PD3 β GPIO / alternate function |
| Pin 128 | PD4 β GPIO / alternate function |
| Pin 129 | PD5 β GPIO / alternate function |
| Pin 130 | PD6 β GPIO / alternate function |
| Pin 131 | PD7 β GPIO / alternate function |
| Pin 132 | PD8 β GPIO / alternate function |
| Pin 133 | PD9 β GPIO / alternate function |
| Pin 134 | PD10 β GPIO / alternate function |
| Pin 135 | PD11 β GPIO / alternate function |
| Pin 136 | PD12 β GPIO / alternate function |
| Pin 137 | PD13 β GPIO / alternate function |
| Pin 138 | PD14 β GPIO / alternate function |
| Pin 139 | PD15 β GPIO / alternate function |
| Pin 140 | PE0 β GPIO / alternate function |
| Pin 141 | PE1 β GPIO / alternate function |
| Pin 142 | VSS β Ground |
| Pin 143 | VDD β Power supply |
| Pin 144 | PE2 β GPIO / alternate function |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
STM32H745ZIT6 is suitable for 6 applications: Industrial Automation, Smart Home Gateway, Audio Processing, Robotics, Medical Devices, IoT Edge Computing.
Industrial Automation
The STM32H745ZIT6 is ideal for industrial automation due to its dual-core architecture, which allows the Cortex-M7 to handle complex control algorithms while the Cortex-M4 manages real-time I/O. With 2 MB flash and 1 MB SRAM, it can store large firmware and data buffers. The device supports EtherCAT, PROFINET, and other industrial protocols via its Ethernet and CAN-FD interfaces. Its high-speed timers and ADCs enable precise motor control and sensor data acquisition. The wide operating temperature range (-40C to +85C) ensures reliability in harsh environments. Compared to single-core MCUs, the dual-core design improves system responsiveness and allows for more sophisticated control strategies, such as predictive maintenance and adaptive control.
Recommended
Smart Home Gateway
The STM32H745ZIT6 serves as a powerful hub for smart home gateways, connecting various IoT devices via Wi-Fi, Zigbee, Bluetooth, and Ethernet. Its dual-core architecture allows the Cortex-M7 to handle protocol stacks and data processing, while the Cortex-M4 manages sensor interfaces and real-time tasks. The device's rich connectivity options, including USB, SPI, I2C, and UART, enable seamless integration with multiple wireless modules. The Chrom-ART Accelerator enhances graphical user interfaces on connected displays. With 2 MB flash, it can store extensive configuration data and firmware updates. The low-power modes help reduce energy consumption in always-on gateway applications. Compared to less powerful MCUs, the STM32H745ZIT6 provides the processing headroom needed for edge computing and local decision-making, reducing cloud dependency.
Recommended
Audio Processing
The STM32H745ZIT6 excels in audio processing applications, such as high-end audio interfaces, voice assistants, and professional audio equipment. The Cortex-M7 at 480 MHz can handle complex audio algorithms like noise cancellation, equalization, and audio codecs, while the Cortex-M4 manages real-time audio streaming and I/O. The device includes a dedicated audio PLL and multiple I2S interfaces, enabling high-quality audio data transfer. With 1 MB SRAM, it can buffer large audio samples for processing. The Chrom-ART Accelerator can be used for audio visualization on displays. Compared to dedicated DSPs, the STM32H745ZIT6 offers a more integrated solution with lower system cost. Its low-latency interrupt handling ensures glitch-free audio playback, making it suitable for professional and consumer audio products.
Recommended
Robotics
The STM32H745ZIT6 is well-suited for robotics applications, including autonomous mobile robots, robotic arms, and drones. The dual-core architecture allows the Cortex-M7 to run complex algorithms like SLAM (Simultaneous Localization and Mapping) and path planning, while the Cortex-M4 handles real-time motor control and sensor fusion. The device's high-speed timers and PWM outputs enable precise control of multiple motors. It supports various communication interfaces for connecting to sensors, cameras, and wireless modules. With 2 MB flash, it can store extensive firmware and maps. The low-power modes extend battery life in mobile robots. Compared to single-core MCUs, the STM32H745ZIT6 provides the computational power needed for advanced robotics, enabling features like obstacle avoidance and autonomous navigation.
Recommended
Medical Devices
The STM32H745ZIT6 is used in medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its dual-core architecture enables the Cortex-M7 to handle complex signal processing algorithms, while the Cortex-M4 manages real-time data acquisition and control. The device's high-resolution ADCs (16-bit) ensure accurate sensor readings, and its low-power modes are critical for battery-powered portable devices. The rich communication interfaces allow data transfer to external systems via USB or Ethernet. With 2 MB flash, it can store patient data and firmware updates. The device's reliability and wide operating temperature range make it suitable for medical environments. Compared to less powerful MCUs, the STM32H745ZIT6 provides the performance needed for advanced medical algorithms, such as ECG analysis and image processing.
Recommended
IoT Edge Computing
The STM32H745ZIT6 is an excellent choice for IoT edge computing devices that require local data processing and decision-making. Its dual-core architecture allows the Cortex-M7 to run machine learning models and data analytics, while the Cortex-M4 manages sensor data collection and communication. The device supports multiple wireless protocols via external modules, and its Ethernet interface enables wired connectivity. With 2 MB flash and 1 MB SRAM, it can store and process large datasets locally, reducing cloud latency and bandwidth usage. The hardware cryptographic accelerator enhances security for data transmission. Compared to cloud-dependent solutions, the STM32H745ZIT6 enables real-time responses and improved privacy. Its low-power modes are essential for battery-powered edge devices, making it a versatile platform for smart agriculture, environmental monitoring, and predictive maintenance.
Recommended
Recommended Products Summary
Engineering reference data for STM32H745ZIT6 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32H745ZIT6TR | STM32H745ZIT6Q | STM32H743ZIT6 | STM32H750ZIT6 | STM32H753ZIT6 | i.MX RT1176 |
|---|---|---|---|---|---|---|---|
| Package | LQFP144 | LQFP144 - same | LQFP144 - same | LQFP144 - same | LQFP144 - same | LQFP144 - same | BGA196 - different |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | NXP Semiconductors |
| Core Architecture | Dual-core Cortex-M7/M4 | Dual-core Cortex-M7/M4 | Dual-core Cortex-M7/M4 | Single-core Cortex-M7 | Single-core Cortex-M7 | Single-core Cortex-M7 | Dual-core Cortex-M7/M4 |
| Maximum Clock Frequency | 480 MHz (M7), 240 MHz (M4) | 480 MHz (M7), 240 MHz (M4) | 480 MHz (M7), 240 MHz (M4) | 480 MHz | 480 MHz | 480 MHz | 1 GHz (M7), 400 MHz (M4) |
| Flash Memory | 2 MB | 2 MB | 2 MB | 2 MB | 128 KB | 2 MB | 2 MB |
| SRAM | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB |
| Operating Voltage | 1.62V to 3.6V | 1.62V to 3.6V | 1.62V to 3.6V | 1.62V to 3.6V | 1.62V to 3.6V | 1.62V to 3.6V | 2.7V to 3.6V |
| Automotive Grade | No | No | Yes (AEC-Q100) | No | No | No | No |
Key Differentiators
- Dual-core architecture with Cortex-M7 and Cortex-M4 (vs STM32H743ZIT6)
- 2 MB flash memory (vs STM32H750ZIT6)
- Automotive grade option available (vs STM32H745ZIT6Q)
Design Notes
The STM32H745ZIT6 operates from 1.62V to 3.6V. Use a stable 3.3V supply with adequate decoupling capacitors (100nF and 10uF) close to each VDD pin. For low-power modes, ensure the VBAT pin is connected to a backup battery or tied to VDD. The device has multiple power domains; refer to the datasheet for proper power sequencing.
For high-speed operation at 480 MHz, pay attention to PCB layout. Keep the crystal oscillator and load capacitors close to the OSC_IN/OSC_OUT pins. Use a solid ground plane and minimize trace lengths for high-speed signals. The LQFP144 package has an exposed pad (EP) that should be soldered to the ground plane for thermal and electrical performance.
Ensure the boot pins (BOOT0, BOOT1) are configured correctly to boot from the desired memory. The device has a dual-bank flash feature; verify the flash programming algorithm. Also, the Cortex-M7 and Cortex-M4 cores share peripherals; use proper synchronization mechanisms to avoid conflicts. Refer to the reference manual RM0399 for detailed guidance.
Compliance Information
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified for standard version; choose STM32H745ZIT6Q for automotive.